We will use a triple integral with spherical coordinates to show that the volume of a sphere with radius a is 4*pi*r^3. This is a very cool problem that you need to see for your Calculus 3 class. Here's how to use the disk method to find the volume of a sphere: ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 Get the coolest math shirts from my Amazon store 👉 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math